silent-ignore.html (1853B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset='utf-8'/> 5 <title>Vibration API: test that calls to vibrate() are silently ignored when the device cannot vibrate</title> 6 <link rel='author' title='Robin Berjon' href='mailto:robin@berjon.com'/> 7 <link rel='help' href='https://w3c.github.io/vibration/#dfn-perform-vibration'/> 8 <meta name='flags' content='dom, no-vibrator'/> 9 <meta name='assert' content='If the device does not provide a vibration mechanism, or it is disabled, the user agent must silently ignore any invocations of the vibrate() method.'/> 10 </head> 11 <body> 12 <h1>Description</h1> 13 <p> 14 <strong>This test is only useful on devices that do not have vibration capability</strong>. 15 If your device supports vibration, then <strong>skip</strong> this test. An implementation 16 supporting this API but running on a device that cannot vibrate must silently ignore the 17 call (we test that it doesn't throw). 18 </p> 19 <button type="button" id="button">Click here if the device doesn't support vibration</button> 20 <div id='log'></div> 21 <script src='/resources/testharness.js'></script> 22 <script src='/resources/testharnessreport.js'></script> 23 <script src='/resources/testdriver.js'></script> 24 <script src='/resources/testdriver-vendor.js'></script> 25 <script> 26 if (undefined !== navigator.vibrate) { 27 async_test(function (t) { 28 var target = document.getElementById('button'); 29 target.addEventListener("click", t.step_func_done(function() { 30 assert_true(navigator.vibrate(1000), "vibrate() returns true when vibration is not supported"); 31 })); 32 test_driver.click(target).catch(t.unreached_func("click failed")); 33 }, "Calling vibrate returns true"); 34 } 35 </script> 36 </body> 37 </html>